12782552 has 8 divisors (see below), whose sum is σ = 23967300. Its totient is φ = 6391272.

The previous prime is 12782513. The next prime is 12782599. The reversal of 12782552 is 25528721.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 798902 + ... + 798917.

Almost surely, 2^12782552 is an apocalyptic number.

It is an amenable number.

12782552 is a deficient number, since it is larger than the sum of its proper divisors (11184748).

12782552 is a wasteful number, since it uses less digits than its factorization.

12782552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1597825 (or 1597821 counting only the distinct ones).

The product of its digits is 11200, while the sum is 32.

The square root of 12782552 is about 3575.2695003314. The cubic root of 12782552 is about 233.8150826810.

The spelling of 12782552 in words is "twelve million, seven hundred eighty-two thousand, five hundred fifty-two".